Optical coupler photographic accessory



FIG. 1 is a side elevational view of an optical coupler photographic accessory showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof. 

The ornamental design for an optical coupler photographic accessory, as shown and described. 